Dorman 977-336 Fuel Injection Throttle Body

Overview of Dorman Fuel Injection Throttle Body 977-336

The Dorman 977-336 fuel injection throttle body is designed for precise electronic throttle control in Toyota Corolla and Matrix models. Engineered with a durable aluminum housing and integrated throttle position sensor, this component supports efficient fuel delivery for gas engines.

• Compatible with Toyota Corolla and Matrix fuel injection systems
• Electronic throttle body with integrated throttle position sensor
• Durable aluminum housing with silver finish
• Flange-type inlet and outlet connections for secure fitment
• Blade-type electrical connector with female socket and 6 terminals

Detailed Product Description

This Dorman fuel injection throttle body (part number 977-336) is specifically designed for gas fuel systems in Toyota Corolla and Matrix vehicles. It features an electronic throttle body type that provides accurate throttle response through its built-in throttle position sensor. The throttle body is constructed from aluminum, offering strength and corrosion resistance, finished in silver for durability. Both the inlet and outlet utilize flange connections, ensuring a reliable seal and fit during installation. The electrical connection uses a blade-type female socket with six terminals, facilitating proper communication with the vehicle’s engine control unit.

Common Applications and Problem Resolution

• Restores proper throttle response and engine acceleration
• Resolves issues related to faulty throttle position sensor signals
• Addresses rough idling or stalling caused by throttle body malfunction
• Improves fuel injection system performance in Toyota Corolla and Matrix
• Replaces worn or damaged throttle body components to maintain engine efficiency

Installation Notes and Tips

Installation of the Dorman 977-336 throttle body requires removal of the existing throttle body with care to avoid damage to the flange connections. Note that this product does not include a gasket or seal, so ensure a compatible gasket is sourced separately. The throttle body is not adjustable and does not come with idle air control motor or fuel injectors. Proper electrical connection to the blade-type female socket with six terminals is essential for correct operation. Professional installation is recommended to ensure optimal performance and fitment.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance for Toyota Corolla and Matrix vehicles. While specific warranty details for part number 977-336 are not provided here, Dorman typically offers limited warranties on their fuel system components. Buyers should verify warranty coverage with the supplier or manufacturer prior to installation.